Opatija, located on Croatia’s Kvarner Bay, has been drawing visitors since the 19th century, when Austro-Hungarian aristocrats built grand villas along its Adriatic shoreline. Today, many of those same buildings still stand with some restored as luxury hotels and others preserved as cultural landmarks. The town’s most recognizable structure, Villa Angiolina, opened in 1844 and marked the start of Opatija’s rise as a fashionable seaside resort.

Berlin has an undeniable history. The horrors of World War II, division, reunification, revolution all profoundly impacted the city in the 20th century. Today, visitors will find a sophisticated, high-energy city with endless cultural, architectural and gastronomic attractions.

Nuku Hiva, the largest island in the Marquesas archipelago, offers an unparalleled escape into Polynesian paradise. This rugged island is renowned for its dramatic landscapes, characterized by lush valleys, towering cliffs, and volcanic peaks.

The Cook Islands, a group of 15 islands scattered across the South Pacific, offer a rare blend of Polynesian tradition and laid-back island charm. Rarotonga, the largest and most visited island, is ringed by a turquoise lagoon and backed by lush mountains. Visitors can circle the entire island in under an hour, stopping along the way for fresh coconut, beachside cafés, or a quick swim in the clear lagoon.

Elephant Island, a remote outcrop off the coast of Antarctica, is not your average travel destination. Known for its dramatic cliffs, towering glaciers, and wild, ice-laced seas, this island is both stark and unforgettable. Located 245 kilometers northeast of the Antarctic Peninsula, Elephant Island is rarely visited except by specialized expedition cruises.